到本周为止，一切严格执法的努力都失败了。
Until this week, every attempt to tighten up the law had failed.
从此病被发现到本周为止，已经过去了100年整，可是依然没有办法治愈。
Although Alzheimer's was identified 100 years ago this week, there is still no cure.
到本周末为止，我将会完成大部份工作。
By the end of this week, I will have finished most of the work.
到本周末为止，我将会完成大部份工作。
By the end of this week, I will have finished most of the work.
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